LayeredCommunicationObject.cs :  » 2.6.4-mono-.net-core » System.ServiceModel » System » ServiceModel » Channels » C# / CSharp Open Source

//
// SecurityReplyChannel.cs
//
// Author: Atsushi Enomoto (atsushi@ximian.com)
//
// Copyright (C) 2006 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System;
using System.ServiceModel;

namespace System.ServiceModel.Channels{
  internal abstract class LayeredCommunicationObject : ICommunicationObject, IDisposable
  {
    ICommunicationObject inner;

    protected LayeredCommunicationObject (ICommunicationObject source)
    {
      inner = source;
    }

    public abstract ChannelManagerBase ChannelManager { get; }

    IDefaultCommunicationTimeouts Timeouts {
      get { return (IDefaultCommunicationTimeouts) ChannelManager; }
    }

    // ICommunicationObject

    public virtual CommunicationState State {
      get { return inner.State; }
    }

    public virtual void Abort ()
    {
      inner.Abort ();
    }

    public IAsyncResult BeginClose (AsyncCallback callback, object state)
    {
      return BeginClose (Timeouts.CloseTimeout, callback, state);
    }

    public IAsyncResult BeginClose (TimeSpan timeout, AsyncCallback callback, object state)
    {
      return OnBeginClose (timeout, callback, state);
    }

    protected virtual IAsyncResult OnBeginClose (TimeSpan timeout, AsyncCallback callback, object state)
    {
      return inner.BeginClose (timeout, callback, state);
    }

    public virtual void EndClose (IAsyncResult result)
    {
      OnEndClose (result);
    }

    protected void OnEndClose (IAsyncResult result)
    {
      inner.EndClose (result);
    }

    public void Close ()
    {
      Close (Timeouts.CloseTimeout);
    }

    public void Close (TimeSpan timeout)
    {
      OnClose (timeout);
    }

    protected virtual void OnClose (TimeSpan timeout)
    {
      inner.Close (timeout);
    }

    public void Dispose ()
    {
      Close ();
    }

    public IAsyncResult BeginOpen (AsyncCallback callback, object state)
    {
      return BeginOpen (Timeouts.OpenTimeout, callback, state);
    }

    public IAsyncResult BeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
    {
      return OnBeginOpen (timeout, callback, state);
    }

    protected virtual IAsyncResult OnBeginOpen (TimeSpan timeout, AsyncCallback callback, object state)
    {
      return inner.BeginOpen (timeout, callback, state);
    }

    public virtual void EndOpen (IAsyncResult result)
    {
      OnEndOpen (result);
    }

    protected virtual void OnEndOpen (IAsyncResult result)
    {
      inner.EndOpen (result);
    }

    public void Open ()
    {
      Open (Timeouts.OpenTimeout);
    }

    public void Open (TimeSpan timeout)
    {
      inner.Open (timeout);
    }

    protected virtual Type GetCommunicationObjectType ()
    {
      return GetType ();
    }

    protected void ThrowIfNotOpen ()
    {
      if (State != CommunicationState.Opened)
        throw new InvalidOperationException (String.Format ("The communication object {0} must be at opened state.", GetCommunicationObjectType ()));
    }

    protected void ThrowIfImmutable ()
    {
      if (State != CommunicationState.Created)
        throw new InvalidOperationException (String.Format ("The communication object {0} is being closed while it is not opened.", GetType ()));
    }

    public event EventHandler Closing {
      add { inner.Closing += value; }
      remove { inner.Closing -= value; }
    }

    public event EventHandler Closed {
      add { inner.Closed += value; }
      remove { inner.Closed -= value; }
    }

    public event EventHandler Opening {
      add { inner.Opening += value; }
      remove { inner.Opening -= value; }
    }

    public event EventHandler Opened {
      add { inner.Opened += value; }
      remove { inner.Opened -= value; }
    }

    public event EventHandler Faulted {
      add { inner.Faulted += value; }
      remove { inner.Faulted -= value; }
    }
  }
}